Home / 281,297,445.96-421,929,826.38-84,556,610.76

Finding the Fourth Proportional to 281,297,445.96, 421,929,826.38 and 84,556,610.76

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Solution

The fourth proportional to 281,297,445.96, 421,929,826.38 and 84,556,610.76 is: 126,830,003.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,297,445.96 : 421,929,826.38 = 84,556,610.76 : x
  2. Step 2: Convert to fraction form
    281,297,445.96/421,929,826.38 = 84,556,610.76/x
  3. Step 3: Cross multiply
    281,297,445.96x = 421,929,826.38 × 84,556,610.76
  4. Step 4: Simplify right side
    281,297,445.96x = 35,676,956,097,248,040
  5. Step 5: Solve for x
    x = 35,676,956,097,248,040/281,297,445.96
  6. Step 6: Final answer
    x = 126,830,003.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.